Structure 210310AA0804001 · Cameron County, TX

Los Indios Intl Br over Rio Grande River

Carries Los Indios Intl Br over Rio Grande River, 2 Mi S Of Us281/fm509_int.

Overall conditionGood

Set by its lowest-rated component: Substructure at 7 of 9.

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT503 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

503 ft end to end, longest span 101 ft: about 7 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built199234 years old
Length503.0 ft153.3 m
Daily traffic4,090counted 2024
Last inspectedNovember 2023every 24 months

Location

StateTexas
CountyCameron
Location2 Mi S Of Us281/fm509_int
CarriesLos Indios Intl Br
CrossesRio Grande River
Coordinates26.02916, -97.73882

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length503.0 ft (153.3 m)
Max Span101.0 ft (30.8 m)
Deck Width56.1 ft (17.1 m)
Deck Area2621.4 sq m
Main Spans5
Year Built1992

Traffic

Avg Daily Traffic4,090 (2024)
Truck Traffic12%
Lanes On Bridge4

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical6 — Scour calculated, stable
Structure Number210310AA0804001

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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